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68b0f52359
* qt/examples: Add QtDBus example programs: - hello: Hello, World - ping: Simple method-calling program - pong: Simple object-exporting program (not using adaptors) - complexping: Interactive method-calling program (also gets and sets properties). - complexpong: Sample program exporting methods, signals and properties, using adaptors. - dbus: Simple implementation of a generic method-calling program, similar to 'dbus-send', but with semantics similar to 'dcop'. - chat: Simplistic chat program, implemented using signals and the system bus. Looks like IRC.
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
/* -*- C++ -*-
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*
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* Copyright (C) 2006 Trolltech AS. All rights reserved.
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* Author: Thiago Macieira <thiago.macieira@trolltech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "chat.h"
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#include <QtGui/QApplication>
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#include <QtGui/QMessageBox>
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#include "chatadaptor.h"
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#include "chatinterface.h"
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ChatMainWindow::ChatMainWindow()
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: m_nickname(QLatin1String("nickname"))
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{
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setupUi(this);
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sendButton->setEnabled(false);
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connect(messageLineEdit, SIGNAL(textChanged(QString)),
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this, SLOT(textChangedSlot(QString)));
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connect(sendButton, SIGNAL(clicked(bool)), this, SLOT(sendClickedSlot()));
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connect(actionChangeNickname, SIGNAL(triggered(bool)), this, SLOT(changeNickname()));
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connect(actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(aboutQt()));
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connect(qApp, SIGNAL(lastWindowClosed()), this, SLOT(exiting()));
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// add our D-Bus interface and connect to D-Bus
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new ChatInterfaceAdaptor(this);
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QDBus::systemBus().registerObject("/", this);
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com::trolltech::ChatInterface *iface;
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iface = QDBus::systemBus().findInterface<com::trolltech::ChatInterface>(QString(), QString());
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connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString)));
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connect(iface, SIGNAL(action(QString,QString)), this, SLOT(actionSlot(QString,QString)));
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NicknameDialog dialog;
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dialog.cancelButton->setVisible(false);
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dialog.exec();
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m_nickname = dialog.nickname->text().trimmed();
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emit action(m_nickname, QLatin1String("joins the chat"));
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}
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ChatMainWindow::~ChatMainWindow()
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{
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}
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void ChatMainWindow::rebuildHistory()
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{
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QString history = m_messages.join( QLatin1String("\n" ) );
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chatHistory->setPlainText(history);
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}
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void ChatMainWindow::messageSlot(const QString &nickname, const QString &text)
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{
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QString msg( QLatin1String("<%1> %2") );
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msg = msg.arg(nickname, text);
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m_messages.append(msg);
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if (m_messages.count() > 100)
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m_messages.removeFirst();
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rebuildHistory();
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}
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void ChatMainWindow::actionSlot(const QString &nickname, const QString &text)
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{
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QString msg( QLatin1String("* %1 %2") );
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msg = msg.arg(nickname, text);
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m_messages.append(msg);
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if (m_messages.count() > 100)
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m_messages.removeFirst();
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rebuildHistory();
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}
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void ChatMainWindow::textChangedSlot(const QString &newText)
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{
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sendButton->setEnabled(!newText.isEmpty());
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}
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void ChatMainWindow::sendClickedSlot()
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{
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emit message(m_nickname, messageLineEdit->text());
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messageLineEdit->setText(QString());
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}
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void ChatMainWindow::changeNickname()
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{
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NicknameDialog dialog(this);
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if (dialog.exec() == QDialog::Accepted) {
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QString old = m_nickname;
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m_nickname = dialog.nickname->text().trimmed();
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emit action(old, QString("is now known as %1").arg(m_nickname));
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}
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}
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void ChatMainWindow::aboutQt()
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{
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QMessageBox::aboutQt(this);
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}
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void ChatMainWindow::exiting()
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{
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emit action(m_nickname, QLatin1String("leaves the chat"));
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}
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NicknameDialog::NicknameDialog(QWidget *parent)
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: QDialog(parent)
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{
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setupUi(this);
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}
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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ChatMainWindow chat;
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chat.show();
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return app.exec();
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}
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#include "chat.moc"
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